Java™ Application Development on Linux - Dator

528Appendix BA Java Swing GUI for BudgetPro21 // gui components22 private JFrame frame; // needed by dialogs to root themselves23 private JLabel nam;24 private JLabel tot;25 private JLabel val;26 private JButton upton = new JButton(new ImageIcon("net/multitool/gui/back.gif"));27 private JButton creat = new JButton("New Subaccount");28 private JButton view = new JButton("View Subaccount");29 private JButton clos = new JButton("Quit");3031 private JTable list;32 private AbstractTableModel model;3334 private AcctDialog askem; // make once, use often3536 // Set Up an Action for a Button37 private ActionListener upAction = new ActionListener()38 {39 public void40 actionPerformed(ActionEvent e)41 {42 // this is the action for UP arrow icon;43 Account next;44 next = current.getParent();45 if (next != null) {46 current = next;47 setStatus();48 // TODO: notify the table, too49 model.fireTableDataChanged();50 } // TODO: else infodialog or Beep.51 }52 } ;5354 private ActionListener cdAction = new ActionListener()55 {56 public void57 actionPerformed(ActionEvent e)58 {59 // this is the action for VIEW subdirectory;60 // a "cd" into the subaccount.61 int row = list.getSelectedRow();62 // System.out.println("Row="+row); // DEBUG; TODO: REMOVE63 if (row > -1) { // only if a row was selected64 String subname = (String) model.getValueAt(row, 0); // name column65 Account next = current.getSub(subname);66 if (next != null) {67 current = next;68 // System.out.println("cd to:"+current.getName());